BASH:replace text in files by sed #!/bin/sh TAG="aa:1234\/" DST="aa\/" for a in `find . -name '*.txt' -type f` do c=`cat ${a} | grep ${TAG}` reg=".*${TAG}.*" if [[ "${c}" =~ $reg ]] ; then cat ${a} | sed "s/${TAG}/${DST}/g" fi done...
示例:grep “pattern” file1将在文件file1中查找包含指定模式的字符串。 2. sed命令:用于根据指定规则对文件进行文本替换。 示例:sed ‘s/pattern/replace/g’ file1将文件file1中的pattern字符串替换为replace字符串。 3. awk命令:用于以指定规则对文件进行流式处理。 示例:awk ‘{print $1}’ file1将输出...
【bash】使用curl下载文件 1、命令帮助 -> % curl --help Usage: curl [options...]<url>Options: (H) means HTTP/HTTPS only, (F) means FTP only--anyauth Pick"any"authentication method (H)-a, --append Append to targetfilewhen uploading (F/SFTP)--basic Use HTTP Basic Authentication (H)...
(`|\$\()'; then echo "Error: Code violates rules" echo 'use: local var' echo 'var="$(...")' echo 'instead of local var=``' echo 'or local var="$(...)"' echo 'as of explained in https://google.github.io/styleguide/shellguide.html' exit 1fiGIT_PRE_COMMIT_EO...
/bin/bash# This bash script will locate and replace spaces # in the filenames DIR="." # Controlling a loop with bash read command by redirecting STDOUT as # a STDIN to while loop # find will not truncate filenames containing spaces...
for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 ...
echo"FILE: $val"fi done 2.4 循环 For循环基本格式:for variable in list do commands done While语句基本语句格式为:while test-condition do commands done 2.5 数组 Bash中数组是通过空格符号隔开,并且是包含在()里面。引用时从序号0开始。如:Array=(23.5 27 29 31 25.7) ...
## replace mac with your actual server mac address # alias wakeupnas01 = '/usr/bin/wakeonlan00:11:32:11:15:FC' alias wakeupnas02 = '/usr/bin/wakeonlan 00:11:32:11:15:FD' alias wakeupnas03 = '/usr/bin/wakeonlan 00:11:32:11:15:FE' ...
(echo $net | cut -d '.' -f $i) mask_octet=$(echo $wildcard_mask | cut -d ' ' -f $i) if [ $mask_octet -gt 0 ]; then range="{$range..$(( $range | $mask_octet ))}"; fi str="${str} $range" done ips=$(echo $str | sed "s, ,\\.,g"); ## replace spaces...
autoreconf Update generated configuration files. autoscan Generate a preliminary configure.in file. autoupdate Update a configure.in file to newer autoconf. awk A scripting language used for manipulating data and generating reports. Also used to find and replace text in a file(s).⬆...